wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Revision day 3 (Ch.12 & 13)

Total questions: 24

Worksheet time: 32mins

Name
Class
Date
1.
The traits of an organism are passed to its offspring on small coded strands of DNA material called
a)
meiosis
b)
recessive traits
c)
genes
d)
heredity
2.

Which bacteria killed the mice in Griffith’s transformation experiment?

a)

live, harmless bacteria and heat-killed, harmful bacteria

b)

live, harmless bacteria and heat-killed, harmless bacteria

c)

live harmful bacteria and heat-killed, harmless bacteria

d)

live harmless bacteria, and live, harmful bacteria

3.

What do bacteriophages infect?

a)

mice.

b)

humans.

c)

viruses.

d)

bacteria.

4.

Which part of the bacteriophage in this figure contains genetic material?

a)

A

b)

B

c)

C

d)

D

5.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
6.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
7.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
8.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
9.
Cytosine always pairs with
a)
Adenine
b)
Thymine
c)
Uracil
d)
Guanine
10.
What is the complement to the DNA strand below:
5'-ATGCCAT-3'
a)
5'-TACGGTA-3'
b)
3'-TACGGTA-5'
c)
3'-ATGGCAT-5'
d)
5'-ATGGCAT-3'
11.
Which enzyme has the job of unzipping the double helix?
a)
Helicase
b)
Polymerase
c)
Ligase
d)
Primerase
12.
DNA replication turns one strand of DNA into two new strands of DNA. What percent of each new strand is the old strand?
a)
Half of each new DNA is the old DNA
b)
The old strand of DNA was digested, so none
c)
The new DNA is entirely made up of the old DNA
d)
About every sixth base comes from the old DNA
13.
Which enzyme is responsible for adding nucleotides?
a)
Topoisomerase
b)
DNA Polymerase
c)
Ligase
d)
Primase
14.

Which enzyme is responsible for dealing with the telomeres?

a)

Deoxyribonuclease

b)

Helicase

c)

Ligase

d)

Telomerase

15.

Which is difference between replication of prokaryotic and eukaryotic cells?

a)

Both DNA replicate

b)

DNA of prokaryotic is single circular

c)

DNA replication starts from a point in prokaryotic cell but from several points at once in eukaryotic cell

d)

DNA cannot replicate in Prokaryotic cells

16.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
17.

How many nucleotides make up a codon?

a)

1

b)

3

c)

5

d)

15

18.

How many codons: AAU GCG AUG

a)

9

b)

1

c)

3

d)

15

19.

How many nucleotides? AAU GCG AUG

a)

9

b)

3

c)

1

d)

15

20.
What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift 
21.
Which of the following would result in a frameshift mutation?
a)
Insertions only
b)
Substitution only
c)
Deletion only
d)
Insertions and Deletions
22.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
23.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

24.

In RNA molecule, Uracil base can pair with

a)

Guanine

b)

Adenine

c)

Thymine

d)

Cytosine

Similar Resources on Wayground

Unit 1 (KA1-4)

20 questions

Unit 1 (KA1-4)

quiz

Worksheet

•

10th Grade

All About Cells!

19 questions

All About Cells!

quiz

Worksheet

•

9th - 10th Grade

امتحان للصف الاول

20 questions

امتحان للصف الاول

quiz

Worksheet

•

9th - 12th Grade

Dave's Med Term Gauntlet

20 questions

Dave's Med Term Gauntlet

quiz

Worksheet

•

9th Grade - University

E.C. Biology

20 questions

E.C. Biology

quiz

Worksheet

•

8th - 12th Grade

Central Dogma PreQuiz

20 questions

Central Dogma PreQuiz

quiz

Worksheet

•

9th Grade - University

M4 Unit3.4 cellular respiration and cell division

20 questions

M4 Unit3.4 cellular respiration and cell division

quiz

Worksheet

•

10th Grade